Ordinal numbers

• Primero (1st)

• Segundo (2nd)

• Tercero (3rd)

• Cuarto (4th)

• Quinto (5th)

• Sexto (6th)

• Séptimo (7th)

• Octavo (8th)

• Noveno (9th)

• Décimo (10th)

• Undécimo (11th)

• Duodécimo (12th)

• Decimotercero (13th)

• Decimocuarto (14th)

• Decimoquinto (15th)

• Decimosexto (16th)

• Decimoséptimo (17th)

• Decimoctavo (18th)

• Decimonoveno (19th)

• Vigésimo (20th)